Waste Water Engineering pH value of sludge during alkaline regression stage, is Less than 6 Less than 7 More than 7 More than 6 Less than 6 Less than 7 More than 7 More than 6 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 1.5 2 3 2.5 1.5 2 3 2.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer ventilating columns are generally placed at Every change in the size of sewers All listed here Distances 150 m to 300 m Upper ends of branch sewers Every change in the size of sewers All listed here Distances 150 m to 300 m Upper ends of branch sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a grit chamber, if the recommended velocity of flow is 0.2 m/sec and detention period is 2 minutes, the length of the tank, is 30 m 16 m 24 m 20 m 30 m 16 m 24 m 20 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 100 mg/l 400 mg/l 300 mg/l 200 mg/l 100 mg/l 400 mg/l 300 mg/l 200 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is 1.25 D 1.15 D 1.75 D 1.5 D 1.25 D 1.15 D 1.75 D 1.5 D ANSWER DOWNLOAD EXAMIANS APP
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